d - 105 mm

D - 145 mm

B - 20 mm

d₁ - 117.3 mm

d₂ - 117.3 mm

D₂ - 135.65 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 39.3 mm

d_a - min. - 111 mm

d_a - max. - 116.7 mm

d_b - min. - 111 mm

d_b - max. - 116.7 mm

D_a - max. - 139 mm

D_b - max. - 141 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C₀ - 65.5 kN

Fatigue load limit - P_u - 2.5 kN

Limiting speed for grease lubrication - 7500 r/min

Ball - D_w - 12.7 mm

Ball - z - 27

Calculation factor - e - 0.68

Calculation factor - Y₂ - 0.87

Calculation factor - Y₀ - 0.38

Calculation factor - X₂ - 0.41

Calculation factor - Y₁ - 0.92

Calculation factor - Y₂ - 1.41

Calculation factor - Y₀ - 0.76

Calculation factor - X₂ - 0.67

Preload class A - G_A - 360 N

Preload class B - G_B - 720 N

Preload class C - G_C - 1440 N

Preload class D - G_D - 2880 N

Calculation factor - f - 1.25

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_2D - 1.14

Calculation factor - f_HC - 1

Preload class A - 263 N/micron

Preload class B - 346 N/micron

Preload class C - 463 N/micron

Preload class D - 633 N/micron

Mass bearing - 0.847 kg

• Model Number: S71921 ACD/P4A
• Inner Diameter：145mm Outer Diameter：105mm Width：20mm
• Type：Angular Contact Ball Bearings
• Update date：2026-05-02
• Application:boring bar boring bar,hydraulic pump,printing machinery,mobile toilet,organic raw materials,generator,Industrial Adhesive,Handling machinery and various industrial machinery,Other Machine Tools,industrial supplies,Embroidery
• Similar models:FAG HCS71921-E-T-P4S SKF 71921ACD/P4AL FAG HC71921-E-T-P4S SKF 71921ACD/P4AH1 ISO 71921CDT ISO 71921CDB FAG HCB71921-C-T-P4S SKF S71921ACD/HCP4A SKF 71921CD/HCP4AL FAG HS71921-E-T-P4S
• BEARING POWER International Trading Co.,Ltd. specialize in S71921ACD/P4A products，there is large inventory of SKF S71921 ACD/P4A . We has been built up long-term cooperation with SKF company, could make a bulk order of the S71921 ACD/P4A Which SKF S71921ACD/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  32312A	60	130	48,5	SNR	Tapered Roller Bearings
  4T-32222DF	110	200	112	NTN	Tapered Roller Bearings
  525X/522	38,1	101,6	34,925	Timken	Tapered Roller Bearings
  6202ZZ	15	35	11	FBJ	Deep Groove Ball Bearings
  62303-2RS	17	47	19	SIGMA	Deep Groove Ball Bearings
  63/28	28	68	18	Fersa	Deep Groove Ball Bearings
  89316	80	140		ISO	Thrust Roller Bearings
  9114PP	70	110	20	Timken	Deep Groove Ball Bearings
  BPFL1	12			NACHI	Bearing Units
  QT19	214	330	70	NACHI	Tapered Roller Bearings
  H3132.508	160	210		FAG	ADAPTERS
  200840	1.2500	2.2500	2.5000	BAL	JOURNAL ROLLER ASSEMBLIES
  23318AS.MA.C4.F80	90	190	73	FAG (Old No.)	SPHERICAL ROLLER BEARINGS
  NA4914	70	100	30	SKF	NEEDLE BEARINGS
  RM-24	3.0000	7.0000	1.5625	SKF	SELF
  15BPPL	70	150	35	RIV	DEEP GROOVE BALL BEARINGS
  N-219	95	170	32	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RMS-25	7.0000	13.5000	2.5000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  61812-ZZ	60	78	10	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NNCL-4940VC/3	200	280	80	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS